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Extract from the Register of European Patents

EP About this file: EP0027228

EP0027228 - Process for the continuous production of particulate zeolitic sodium-aluminosilicates [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.02.1985
Database last updated on 02.11.2024
Most recent event   Tooltip20.02.1985No opposition filed within time limitpublished on 24.04.1985 [1985/17]
Applicant(s)For all designated states
Henkel Kommanditgesellschaft auf Aktien
40191 Düsseldorf / DE
For all designated states
Degussa GmbH
Weissfrauenstrasse 9
60311 Frankfurt / DE
[N/P]
Former [1982/21]For all designated states
Henkel Kommanditgesellschaft auf Aktien
D-40191 Düsseldorf / DE
For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Former [1981/39]For all designated states
Henkel Kommanditgesellschaft auf Aktien
-Patentabteilung- Postfach 1100 Henkelstrasse 67
D-4000 Düsseldorf 1 / DE
For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Former [1981/16]For all designated states
Henkel Kommanditgesellschaft auf Aktien
-Patentabteilung- Postfach 1100 Henkelstrasse 67
D-4000 Düsseldorf 1 / DE
For all designated states
Degussa Aktiengesellschaft
Degussa AG Fachbereich Patente Rodenbacher Chaussee 4 Postfach 1345
D-6450 Hanau 1 (Stadtteil Wolfgang) / DE
Inventor(s)01 / Christophliemk, Peter, Dr.
Rudolf-Breitscheid-Strasse 61
D-4000 Düsseldorf 13 / DE
02 / Wüst, Willi, Dr.
Fasanenring 32
D-4030 Ratingen-Hösel / DE
03 / Carduck, Franz-Josef, Dr.
Landstrasse 18
D-5657 Haan/Rhld / DE
[1981/16]
Application number, filing date80106037.706.10.1980
[1981/16]
Priority number, dateDE1979294163613.10.1979         Original published format: DE 2941636
[1981/16]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0027228
Date:22.04.1981
Language:DE
[1981/16]
Type: B1 Patent specification 
No.:EP0027228
Date:18.04.1984
Language:DE
[1984/16]
Search report(s)(Supplementary) European search report - dispatched on:EP30.01.1981
ClassificationIPC:C01B33/28
[1981/16]
CPC:
C01B39/02 (EP,US); C01B33/2823 (EP,US); Y10S423/24 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1981/16]
TitleGerman:Verfahren zur kontinuierlichen Herstellung feinstteiliger zeolithischer Natriumaluminiumsilikate[1981/16]
English:Process for the continuous production of particulate zeolitic sodium-aluminosilicates[1981/16]
French:Procédé pour la préparation en continu de silicates zéolithiques de sodium et d'aluminium finement divisés[1981/16]
Examination procedure24.08.1981Examination requested  [1981/44]
27.08.1982Despatch of a communication from the examining division (Time limit: M04)
10.12.1982Reply to a communication from the examining division
10.03.1983Despatch of a communication from the examining division (Time limit: M02)
19.04.1983Reply to a communication from the examining division
18.07.1983Despatch of communication of intention to grant (Approval: )
06.10.1983Communication of intention to grant the patent
22.12.1983Fee for grant paid
22.12.1983Fee for publishing/printing paid
Opposition(s)19.01.1985No opposition filed within time limit [1985/17]
Fees paidRenewal fee
15.09.1982Renewal fee patent year 03
22.09.1983Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:SearchDE1038017  [ ] (UNION CARBIDE CORP);
 DE2447021  [ ];
 DD132069  [ ] (BANKWITZ ROBERT, et al);
 DE2832947  [ ] (UGINE KUHLMANN)
    [ ] - ULLMANNS ENCYCLOPADIE DER TECHNISCHEN CHEMIE 4. Auglage, Band 3, 1973, VERLAG CHEMIE, Weinheim Seiten 342 bis 354.
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.